package web.servlet.logincheckcode.dao;

import web.servlet.logincheckcode.domin.User;

/**
 * @Author Administrator
 * @Date 2020/6/9 14:47
 **/
public interface UserDao {
    /**
     *
     * 一致返回对象不一致返回空
     * @param username
     * @param password
     * @return
     */
    public User login(String username ,String password);
    public int  register(String username,String password);
}
